更新AI聊天页面样式

app/components/chat/sidebar.tsx

@@ -202,6 +202,7 @@ const ChatSidebar = forwardRef<ChatSidebarRef, ChatSidebarProps>(({
                             icon={<MoreOutlined />}
                             className="opacity-0 group-hover:opacity-100 transition-opacity"
                             onClick={(e) => e.stopPropagation()}
+                        // style={{ backgroundColor: '#00684A' }}
                         />
                     </Dropdown>
                 )}
@@ -336,9 +337,9 @@ const ChatSidebar = forwardRef<ChatSidebarRef, ChatSidebarProps>(({
             </div>
 
             {/* 侧边栏底部 - 固定在底部 */}
-            {!collapsed && (
-                <div className="p-4 border-t border-gray-100 flex-shrink-0">
-                    <div className="text-xs text-gray-500 text-center">
+            {!collapsed && conversations.length > 0 && (
+                <div className="sidebar-footer">
+                    <div className="stats-text">
                         共 {conversations.length} 个对话
                     </div>
                 </div>